#include <STC15F2K60S2.H>


void led_disp(uchar adder ,enable)
{
	static uchar temp = 0x00;
	static uchar temp_old = 0xff;
	
	if(enable)
	temp |= 0x01<<adder;
	else
	temp &= ~(0x01<<adder);		
	if(temp != temp_old)
	{
		P0 = ~temp;
		P2 = P2 &0X1F |0X80;
		P2 &= 0X1F;
		temp_old = temp;
	
	}



}